package mapper;

import org.apache.ibatis.annotations.*;
import pojo.Brand;

import java.util.List;

public interface BrandMapper {
//    查询所有品牌
    @ResultMap("brandResultMap")
    @Select("select * from t_brand")
    List<Brand> selectAll();

    //    单个查询
    @ResultMap("brandResultMap")
    @Select("select *from t_brand where id = #{id}")
    Brand selectById(int id);

//    添加品牌
    @Insert("insert into t_brand values(null,#{brandName},#{companyName},#{ordered},#{description},#{status})")
    void add(Brand brand);

//修改一个品牌
@Update("update t_brand set brand_name=#{brandName},company_name=#{companyName},ordered=#{ordered},description=#{description},status=#{status} where id=#{id}")
void update(Brand brand);

//删除一个品牌
    @Delete("delete from t_brand where id=#{id}")
    void deleteById(int id);

    //以下是Page查询
    //1.查询某一页的数据
    @ResultMap("brandResultMap")
    @Select("select * from t_brand limit #{beginIndex},#{pageSize}")
    List<Brand> selectAllPage(@Param("beginIndex") int beginIndex,
                              @Param("pageSize") int pageSize);

    //查询总的数据条数
    @Select("SELECT count(1) FROM t_brand")
    int selectCount();


    List<Brand> selectByPageAndCondition(@Param("beginIndex") int beginIndex,
                                         @Param("pageSize") int pageSize,
                                         @Param("brand") Brand brand);

    //条件查询总记录数
    int selectTotalCountByCondition(Brand brand);


//    //查询状态
//    @Select("SELECT * FROM t_brand WHERE status = #{status}")
//    List<Brand> selectStatusAll();
}
